Fix compilation for 2.2.x and standalone after #1289

Author: Felipe Zimmerle

apache2/modsecurity.c

@@ -237,7 +237,11 @@ static void modsecurity_persist_data(modsec_rec *msr) {
     }
 
     /* Remove stale collections. */
+#if AP_SERVER_MAJORVERSION_NUMBER > 1 && AP_SERVER_MINORVERSION_NUMBER > 3
     if (ap_random_pick(0, RAND_MAX) < RAND_MAX/100) {
+#else
+    if (rand() < RAND_MAX/100) {
+#endif
         arr = apr_table_elts(msr->collections);
         te = (apr_table_entry_t *)arr->elts;
         for (i = 0; i < arr->nelts; i++) {

standalone/server.c

@@ -187,6 +187,11 @@ static char *http2env(apr_pool_t *a, const char *w)
     return res;
 }
 
+AP_DECLARE(apr_uint32_t) ap_random_pick(apr_uint32_t min, apr_uint32_t max)
+{
+    return rand();
+}
+
 AP_DECLARE(char *) ap_escape_html2(apr_pool_t *p, const char *s, int toasc)
 {
     int i, j;